Why is (n-1)(n+1)=n^2-1?
13.06.2025 23:55
xxxx
The more direct answer is to look at a rectangle with sides of n + 1 and n - 1, let’s go with n = 2
xx
Why did my ex move on so fast, we have only been broken up for 2 weeks?
And you are left with almost a square. One less than the square of side n.
n^2 - n + n - 1
xxxx
Move the nub up to the top:
xxx
xxx x
Does meth make women super horny like it does men?
xxx x
xxx
So, that’s a rectangle with sides 2 and 4.
Who is the most annoying character in the Office?
If you cut off the end of that rectangle, you make it smaller, 2 * 3 and a separate nub of size 1 * 2
(n - 1)(n + 1)
n^2 - 1
Are there any examples of outdated values in the Bible?
The basic answer is that you cross-multiply the values in each factor: